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Congestion Mitigation and Air Quality Improvement Program (CMAQ)
Federal · FEDERAL HIGHWAY ADMINISTRATION · #20.268
Congestion Mitigation and Air Quality Improvement (CMAQ) Program funds are limited to projects and programs that reduce transportation related emissions air quality non-attainment and maintenance areas for ozone, carbon monoxide, and particulate matter, though provision is made for States without air quality issues. This Assistance Listing 20.268 created in August 2025 was included in the previous ALN 20.205, please refer to former ALN 20.205 for FY24 and FY25 financial obligations. The new Assistance Listing 20.268 will be utilized by DOT at the start of FY 2026.
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About this program
Congestion Mitigation and Air Quality Improvement (CMAQ) Program funds are limited to projects and programs that reduce transportation related emissions air quality non-attainment and maintenance areas for ozone, carbon monoxide, and particulate matter, though provision is made for States without air quality issues. This Assistance Listing 20.268 created in August 2025 was included in the previous ALN 20.205, please refer to former ALN 20.205 for FY24 and FY25 financial obligations. The new Assistance Listing 20.268 will be utilized by DOT at the start of FY 2026.
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Source: SAM.gov Assistance Listings ↗ · 2026
Informational only — official eligibility is determined by the administering agency.
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